RDM6300 RFID Reader Module 25KHz EM4100 UART Output Overview The RDM6300 is a compact RFID reader module designed to read 25KHz EM4100compatible tags and deliver decoded ID data over a UART serial interface. It is built for straightforward integration into access control systems and microcontroller projects. Key benefits Accurate tag reading: Reads standard 25KHz EM4100 tags for reliable identification of cards and keyfobs. Easy integration: UART serial output provides a simple, commonly supported interface for direct connection to controllers and single board computers. Saves development time: Decoded ID data is ready to use, reducing firmware complexity and speeding up project deployment. Compact and mountable: Small module format fits inside enclosures and access panels for neat installations. Practical for controllers: Works with common development platforms for prototyping and production. Important attributes Function: Reads RFID tags and outputs tag ID via UART serial stream for immediate use by host devices. Compatibility: EM4100 tag standard at 25KHz; compatible with microcontrollers and single board computers that support UART serial communication. Size and form: Compact PCB module with standard header connections for power and UART signals, suitable for embedded installations. Material and build: PCBbased electronics designed for mounting and wiring into access control hardware. Performance: Consistent serial output for straightforward parsing and reliable tag detection in typical installation scenarios. Use scenarios Access control: Integrate into a door entry controller to authenticate staff and control electric locks. Time and attendance: Use with a microcontroller or access controller to log employee checkins using ID cards or keyfobs. Asset or locker management: Add RFID identification to cabinets or equipment systems to track access and usage. Technical summary Model: RDM6300 Frequency: 25KHz Tag standard: EM4100 Output: UART serial Application: Suitable for access control systems and embedded RFID projects This module is suitable for developers and installers who need a straightforward, UARTready RFID reader for EM4100 25KHz tags.